package com.renge.commonutils;

import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.util.HashMap;
import java.util.Map;

@Data
public class R {
    @ApiModelProperty(value = "是否成功")
    private Boolean success;
    @ApiModelProperty(value = "返回码")
    private Integer code;
    @ApiModelProperty(value = "返回消息")
    private String message;
    @ApiModelProperty(value = "返回数据")
    private Map<String, Object> data = new HashMap<String, Object>();
    private R(){}   //静态化构造器，不让new对象
    //成功时返回方法
    public static R ok(){
         R r = new R();
         r.setSuccess(true);
         r.setCode(ResultCode.SUCCESS);
         r.setMessage("成功");
         return r;
    }
    //失败时返回方法
    public static R error(){
         R r = new R();
         r.setSuccess(false);
         r.setCode(ResultCode.ERROR);
         r.setMessage("失败");
         return r;
    }

    /**
     * 设置R的各项属性，链式调用
     * @param success
     * @return
     */
    public R success(Boolean success){
         this.setSuccess(success);
         return this;
    }
    public R message(String message){
         this.setMessage(message);
         return this;
    }
    public R code(Integer code){
         this.setCode(code);
         return this;
    }
    public R data(String key, Object value){
         this.data.put(key, value);
         return this;
    }
    public R data(Map<String, Object> map){
         this.setData(map);
         return this;
    }


}
